const count = 10
function getName () {
  return 'jack'
}
function App () {
  return (
    <div className="App">
      this is react
      {'这是一个消息'}
      {count}
      {getName()}
      {new Date().getDate()}
      <div style={{color:'red'}}>this is div</div>
    </div>
  );
}

export default App;
